Company lists · Data refreshed October 2026

Top 25 Independent medical monitoring organizations based in the United States

RevenueBase identified 559 company matches for independent medical monitoring organizations associated with the United States as of October 2026 and tracks 32,900 professional contacts across them, including 13,751 with verified work emails. Miami is the largest hub.

This list covers company matches for independent medical monitoring organizations associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 14, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Oct 14, 2026 How this list was built
559Companies
32,900Contacts tracked
13,751Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest independent medical monitoring organizations based in the United States

Ranked by team size
Top 25 of 559 company matches for independent medical monitoring organizations based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 14, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchWilmington, NC, United StatesHQ recorded Oct 14, 202610001+19,757 contacts →

Exact match

“PPD is part of Thermo Fisher Scientific, the world leader in serving science.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
2Exact matchCary, NC, United StatesHQ recorded Oct 14, 20261,001-5,0001,179 contacts →

Exact match

“WCG is a true partner to research sponsors, CROs, sites and participants in navigating the clinical research journey.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
3Exact matchGaithersburg, MD, United StatesHQ recorded Oct 14, 20261,001-5,0001,001 contacts →

Exact match

“Navitas Life Sciences is a global Clinical Research partner with over 35 years of expertise in Clinical, Regulatory, Safety, and Data Management solutions.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
4Exact matchArchdale, NC, United StatesHQ recorded Oct 14, 2026n/a684 contacts →

Exact match

“Founded in 1988 by an ambitious young entrepreneur, The Assurance Group or 'TAG' as it is often referred to, has grown to become one of the largest Insurance Marketing…”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
5Exact matchAtlanta, GA, United StatesHQ recorded Oct 14, 20265,001-10,000675 contacts →

Exact match

“The ExamWorks Group platform, family company services, applications and portals for the management of independent medical claim review are the assets of choice among claims…”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
6Exact matchDurham, NC, United StatesHQ recorded Oct 14, 202610001+528 contacts →

Exact match

“THIS PAGE IS NOT MONITORED.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
7Exact matchWoburn, MA, United StatesHQ recorded Oct 14, 2026201-500389 contacts →

Exact match

“MES Solutions (MES) is one of the first companies established to provide the claims community access to credentialed physicians with expertise in conducting Independent Medical…”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
8Exact matchPalm Beach Gardens, FL, United StatesHQ recorded Oct 14, 2026201-500388 contacts →

Exact match

“Dane Street is the industry's fastest growing national IME and Peer Review provider with a panel of board-certified, active-practice physicians in all 50 states.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
9Exact matchColumbia, MD, United StatesHQ recorded Oct 14, 2026501-1,000258 contacts →

Exact match

“NCS is committed to providing hospitals, surgeons, and patients a best-in-class IOM experience.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
10Exact matchSan Jose, CA, United StatesHQ recorded Oct 14, 2026201-500240 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
11Exact matchSan Jose, CA, United StatesHQ recorded Oct 14, 2026201-500229 contacts →

Exact match

“Since 2005, KlinEra has partnered with some of the largest pharmaceutical, biotech and device companies, providing innovative and customized clinical trial and research services.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
12Exact matchWestlake, OH, United StatesHQ recorded Oct 14, 2026201-500216 contacts →

Exact match

“MRG Exams is a full-service provider of independent disability and impairment assessments.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
13Exact matchLawrenceville, GA, United StatesHQ recorded Oct 14, 2026201-500185 contacts →

Exact match

“ExamWorks Compliance Solutions is a leading authority on Medicare Compliance and Mandatory Insurer Reporting.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
14Exact matchRaleigh, NC, United StatesHQ recorded Oct 14, 2026201-500171 contacts →

Exact match

“M3 Wake Research is a premier clinical trial network that has been conducting studies since 1984.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
15Exact matchRaleigh, NC, United StatesHQ recorded Oct 14, 202651-200167 contacts →

Exact match

“IDDI is a trusted clinical data science partner.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
16Exact matchSomerset, NJ, United StatesHQ recorded Oct 14, 2026201-500142 contacts →

Exact match

“Harvest Integrated Research Organization (HiRO) is a globally oriented, innovative clinical research organization (CRO).”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
17Exact matchPortland, OR, United StatesHQ recorded Oct 14, 202651-200140 contacts →

Exact match

“AllMed Healthcare Management is a utilization management and independent review organization providing comprehensive nurse and physician review solutions to payers and plan…”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
18Exact matchSchertz, TX, United StatesHQ recorded Oct 14, 202651-200138 contacts →

Exact match

“Nexus is dedicated to providing the highest quality of service in the field of utilization review.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
19Exact matchLos Angeles, United StatesHQ recorded Oct 14, 2026201-500133 contacts →

Exact match

“MDpanel is one of the largest providers of expert medical opinions in the United States.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
20Exact matchDurham, NC, United StatesHQ recorded Oct 14, 202651-200130 contacts →

Exact match

“A contract research organization (CRO) built for collaboration.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
21Exact matchResearch Triangle Park, NC, United StatesHQ recorded Oct 14, 202651-200113 contacts →

Exact match

“TruTechnologies is a clinical trial software company delivering real-time visibility into trial execution at the point of care.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
22Exact matchSan Mateo, CA, United StatesHQ recorded Oct 14, 202651-200109 contacts →

Exact match

“Established in 1998 InClin is a full service Contract Research Organization with offices in the San Francisco Bay Area and Sydney, Australia.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
23Exact matchSeattle, WA, United StatesHQ recorded Oct 14, 202651-200102 contacts →

Exact match

“MCN was founded as Medical Consultants Network in 1985 in Seattle, WA.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
24Exact matchMarina Del Rey, CA, United StatesHQ recorded Oct 14, 202611-5088 contacts →

Exact match

“OrthoLegal is a physician-owned and -operated medicolegal management company.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
25Exact matchWinter Park, FL, United StatesHQ recorded Oct 14, 202651-20086 contacts →

Exact match

“Conquest Research was formed to offer the most efficient clinical research services to partners and pharmaceutical companies worldwide.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase

Showing 25 of 559 independent medical monitoring organizations based in the United States

See the full list, filter by size, metro and specialty, and access 13,751 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Independent medical monitoring organizations based in the United States at a glance

As of Oct 14, 2026
41.8%Verified-email coverage
58.9Average contacts per company
11-50Median size (employees)
2.9%Largest-city concentration · Miami
Oct 14, 2026Page data refreshed

Companies by employee count

1-10
235
11-50
201
51-200
90
201-500
19
501-1,000
3
1,001-5,000
6
5,001-10,000
2
10001+
3

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 559 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with the United States whose business descriptions match “independent medical monitoring organizations” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 13,751 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on October 14, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “independent medical monitoring organizations”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many independent medical monitoring organizations are there based in the United States?

RevenueBase identified 559 company matches for independent medical monitoring organizations associated with the United States as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

PPD tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most independent medical monitoring organizations?

Miami leads with 16 company records, followed by Houston (11) and Austin (10).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 13,751 professional contacts with verified work emails tracked across these 559 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 14, 2026.

Ready to reach these companies? Verified emails and direct dials for all 559 independent medical monitoring organizations based in the United States. Start with a free account, no credit card.

Download this list →

Related lists

About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.